I see claims that Strike Witches is a Japanese government-approved show (quote from tvtropes site)
>The Japanese Agency for Cultural Affairs referred to the show as an example of cultural excellence, and as such had public screenings of it in events where families with young children were heavily in attendance

https://j-mediaarts.jp/award/single/strike-witches/index.html
https://gigazine.net/news/20090206_jmaf2009_anime/